Finding the Fourth Proportional to 72,847.76, 109,222.43 and 37,221.53

Step by Step Solution

1. Step 1: Write the proportion equation
   72,847.76 : 109,222.43 = 37,221.53 : x
2. Step 2: Convert to fraction form
   72,847.76/109,222.43 = 37,221.53/x
3. Step 3: Cross multiply
   72,847.76x = 109,222.43 × 37,221.53
4. Step 4: Simplify right side
   72,847.76x = 4,065,425,222.70
5. Step 5: Solve for x
   x = 4,065,425,222.70/72,847.76
6. Step 6: Final answer
   x = 55,807.14